Sender: vheyndri AT rug DOT ac DOT be
Message-Id: <347016BA.6B47@rug.ac.be>
Date: Mon, 17 Nov 1997 11:04:42 +0100
From: Vik Heyndrickx <Vik DOT Heyndrickx AT rug DOT ac DOT be>
Mime-Version: 1.0
To: sandmann AT clio DOT rice DOT edu
Cc: djgpp-workers AT delorie DOT com
Subject: Re: DPMI selectors under Win95
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Charles, you wrote on Fri, 29 Nov 1996

> > After calling spawnXX (about 2000 times) I got this message and  it
> > crashed DOS box.
> >     Load error: no DPMI selectors
> > I found the parent process lost 4 selectors each time it called spawnXX.
> > (Under NT4.0 it lost more.)
>
> This is a bug in the DPMI provider.  There is no workaround except to 
> exit the parent image before the children eat up all the selectors.

This problem is the cause that a one-pass build of the library sources
and 
also that a build of the GNU C compiler almost always fail.

Isn't it possible to free all those selectors by hand, or at least most
of 
them?

> > Under MS-DOS 6.2 + CWSDPMI it works fine.
>
> Yes, CWSDPMI cleans up after the children the selectors which cannot be 
> deallocated (since the CS/SS must be valid at exit).

Does the DPMI host consider every spawned djgpp program as a single
client 
or does it treat them all together as one client?

-- 
 \ Vik /-_-_-_-_-_-_/   
  \___/ Heyndrickx /          
   \ /-_-_-_-_-_-_/